CN111000060B - Device in preparation rhamnolipid broiler chicken feed additive - Google Patents
Device in preparation rhamnolipid broiler chicken feed additive Download PDFInfo
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- CN111000060B CN111000060B CN201911303749.2A CN201911303749A CN111000060B CN 111000060 B CN111000060 B CN 111000060B CN 201911303749 A CN201911303749 A CN 201911303749A CN 111000060 B CN111000060 B CN 111000060B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
- A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/195—Antibiotics
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Abstract
The invention discloses a device for preparing a rhamnolipid broiler feed additive, wherein the mass ratio of rhamnolipid to feed is 100-5000mg rhamnolipid/kg feed. According to the invention, the rhamnolipid additive is added into the broiler feed, so that the intestinal tract absorption function of broiler chickens is improved by the following effects, and the weight and daily gain of the broiler chickens are improved; the content of volatile fatty acid in the intestinal tract is increased, so that the balance of intestinal microorganisms is facilitated, the occurrence of intestinal inflammation in a stress state can be reduced, the intestinal function is protected, the immunity of the organism is improved, and the application of antibiotics in the feed is reduced; the rhamnolipid is safe and nontoxic after being orally taken, and is a safe and green antibiotic substitute; the feed containing the broiler feed additive has remarkable repairing effect on intestinal inflammation injury.
Description
Technical Field
The invention belongs to the technical field of feeds, and particularly relates to a device for preparing rhamnolipid broiler feed additives.
Background
Antibiotics are added into livestock and poultry feed, so that the livestock and poultry feed can play a role in promoting the disease prevention and growth of animals to a certain extent, but excessive use can cause pathogenic bacteria to generate drug resistance, and animals and human health, so that the Chinese department of agriculture can completely disable the antibiotics in the feed from 2020. After the antibiotics are forbidden, how to ensure the health of animals and improve the digestibility of nutrient substances become an important problem. Particularly in the broiler chicken breeding process, immune stress is easily caused due to the reasons of poor breeding environment, high-density intensive breeding mode and the like, so that broiler chicken diseases and production performance are reduced, and the problem of how to relieve the immune stress and ensure the intestinal health of broiler chickens under the condition of disabling antibiotics is urgently needed to be solved.
Disclosure of Invention
The invention provides an application of rhamnolipid for improving intestinal absorption function in a broiler feed additive in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a device for preparing rhamnolipid broiler feed additive, wherein the mass ratio of rhamnolipid to feed is 100-5000mg rhamnolipid/kg feed.
According to the invention, the rhamnolipid additive is added into the broiler feed, so that the intestinal tract absorption function of broiler chickens is improved, the weight and daily gain of broiler chickens are improved, the content of volatile fatty acid in intestinal tracts is increased, the balance of intestinal microorganisms is facilitated, the occurrence of intestinal tract inflammation in a stress state can be reduced, the intestinal tract function is protected, the immunity of organisms is improved, the application of antibiotics in the feed is reduced, and the rhamnolipid is safe and nontoxic after oral administration, so that the rhamnolipid is a safe and green antibiotic substitute.
Preferably, the mass ratio of the rhamnolipid to the feed is 500-1500mg of rhamnolipid per kg of feed; the feed containing 500-1500mg/kg of rhamnolipid can remarkably improve the growth performance of broiler chickens, improve the immunity of the broiler chickens, strengthen the resistance of the broiler chickens to intestinal inflammation injury, and have a good inhibition effect on intestinal pathogenic microorganisms.
Preferably, the mass ratio of the rhamnolipid to the feed is 1000mg of rhamnolipid per kg of feed; the rhamnolipid 1000mg/kg feed has the best effect of improving the growth performance of broiler chickens and immunity of broiler chickens.
Preferably, the rhamnolipid is in the form of a dark brown viscous paste.
Preferably, the rhamnolipid in the form of dark brown viscous paste is adsorbed by silicon dioxide to form uniformly dispersed powdery solid; the paste rhamnolipid is mixed into powder by adopting the silicon dioxide, and the powder can be uniformly mixed with feed after being added into the feed, so that the rhamnolipid can be eaten by broilers, meanwhile, the silicon dioxide is adopted as a raw material, and the silicon dioxide can promote intestinal peristalsis so as to accelerate food digestion in intestinal tracts and promote the intestinal tracts to absorb food.
Preferably, the ratio of the silica to the rhamnolipid is 1-3:1-2.
Preferably, the feed comprises, by weight, 45-65% of corn, 30-46% of soybean meal, 0.5-1.8% of phosphorus, 0.3-1.5% of stone powder, 0.1-0.5% of salt and 1.0-5.0% of oil.
Preferably, the silicon dioxide and the rhamnolipid are firstly mixed together through mixing equipment; uniformly mixing rhamnolipid and silicon dioxide by uniformly mixing equipment to realize uniform adhesion of the rhamnolipid to the silicon dioxide; and then catalyzing rhamnolipid to be adsorbed by silicon dioxide through a subsequent process.
Preferably, the mixing equipment comprises a tank body, a spraying device for spraying rhamnolipid from top to bottom, a spraying device for spraying silicon dioxide from bottom to top to be opposite to the rhamnolipid, and a stirring device arranged at the lower part of the tank body, wherein the spraying device is positioned at the upper part of the tank body, and the spraying device is positioned at the middle part of the tank body; by relatively punching the silica and rhamnolipid, it is possible to achieve a uniform mixing together between rhamnolipid and silica.
Preferably, the spraying device comprises a liquid containing piece connected with the tank body, a liquid outlet pipe connected with the liquid containing piece, a spray head component connected with the liquid outlet pipe and a pressurizing component in sealing fit with the liquid containing piece, and the pressurizing component is arranged above the liquid containing piece.
In conclusion, the invention has the following effects by adding the rhamnolipid additive into the broiler feed
1. Improving intestinal tract absorption function of broiler chickens, and improving weight and daily gain of broiler chickens;
2. the content of volatile fatty acid in the intestinal tract is increased, so that the balance of intestinal microorganisms is facilitated, the occurrence of intestinal inflammation in a stress state can be reduced, the intestinal function is protected, the immunity of the organism is improved, and the application of antibiotics in the feed is reduced;
3. the rhamnolipid is safe and nontoxic after being orally taken, and is a safe and green antibiotic substitute;
4. the feed containing the broiler feed additive has remarkable repairing effect on intestinal inflammation injury.
Drawings
FIG. 1 shows the effect of rhamnolipid fed to a stress state broiler on immune function.
Fig. 2 is a schematic structural diagram of a mixing apparatus according to the present invention.
Fig. 3 is a cross-sectional view of a mixing apparatus according to the present invention.
Fig. 4 is a schematic diagram of a partial structure of a mixing apparatus according to the present invention.
Fig. 5 is a cross-sectional view of the partial structure of fig. 4.
Fig. 6 is a schematic structural view of a nozzle part of the mixing apparatus of the present invention.
Fig. 7 is a schematic structural view of a break-up net of the mixing device in the present invention.
Fig. 8 is a schematic diagram of a partial structure of a mixing apparatus according to the present invention.
Fig. 9 is an enlarged view of a in fig. 8.
Fig. 10 is a schematic diagram of a partial structure of a mixing apparatus according to the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention.
Example 1
A device for preparing rhamnolipid broiler feed additive, which comprises rhamnolipid. The dosage of the rhamnolipid in the feed is 500mg of rhamnolipid per kg of the feed in terms of mass ratio.
55% of corn, 38% of soybean meal, 1.4% of phosphorus, 1.0% of stone powder, 0.3% of salt and 3.0% of oil.
The rhamnolipid is in a dark brown thick paste shape, and is uniformly mixed with silicon dioxide by adopting uniform mixing equipment, so that the silicon dioxide is adsorbed to form uniformly dispersed powdery solid, and the ratio of the silicon dioxide to the rhamnolipid is 1.5:1.8.
Example two
A broiler feed additive comprising rhamnolipid. The dosage of the rhamnolipid in the feed is 1000mg/kg of the rhamnolipid in terms of mass ratio.
55% of corn, 38% of soybean meal, 1.4% of phosphorus, 1.0% of stone powder, 0.3% of salt and 3.0% of oil.
The rhamnolipid is in a dark brown thick paste shape, and is uniformly mixed with silicon dioxide by adopting uniform mixing equipment, so that the silicon dioxide is adsorbed to form uniformly dispersed powdery solid, and the ratio of the silicon dioxide to the rhamnolipid is 1.5:1.8.
1. Influence of rhamnolipid on broiler productivity and volatile fatty acid
840 yellow feather broilers at 1 day old are selected and randomly divided into 4 groups, a negative control group (NCO) is fed with non-antibiotic basic ration, a positive control group (ANT) is fed with basic ration plus 200mg/kg of antibiotics, a test group 1 (RLS 1) is fed with basic ration plus 500mg/kg of rhamnolipid, and a test group 2 (RLS 2) is fed with basic ration plus 1000mg/kg of rhamnolipid. Each group had 6 replicates of 35 chickens. The experimental period was 56 days. The effect of rhamnolipids on broiler productivity is shown in table 1. The results show that the average final weight and average daily weight gain of the broiler chickens in the experiment 2 group (RLS 2) are obviously higher than those of the control group, and the results show that the broiler chickens fed with 1000mg/kg rhamnolipid can obviously grow.
At 56 days of age, 8 chickens were slaughtered per group, cecal content was tested for volatile fatty acids, and the effect of broiler fed rhamnolipids on volatile fatty acids in the cecal content is shown in table 2. The results show that: compared with a negative control group (NCO), the contents of acetic acid, propionic acid, n-butyric acid, isobutyric acid, n-valeric acid and isovaleric acid in the experimental group 1 (RLS 1) and the experimental group 2 (RLS 2) can be obviously improved; the results show that the rhamnolipid can increase the content of volatile fatty acid in the intestinal tract, improve the digestion and absorption rate of nutrient substances and facilitate the balance of intestinal microorganisms.
2. Effect of rhamnolipids on broiler volatile fatty acids and immune function under Lipopolysaccharide (LPS) infection conditions
Healthy chickens were selected, 48 chickens were randomly divided into 3 groups (16 chickens per group), respectively negative control group (NCO), positive control group (ANT), experimental group (1000 mg/kg rhamnolipid), two treatments per group, treatment 1 for physiological saline injection, treatment 2 for LPS injection, LPS was intraperitoneally injected at 500 micrograms of LPS per kilogram of body weight, and physiological saline treatment chickens were injected with the same amount of physiological saline as LPS. All chickens were slaughtered 3 times at 1 day intervals and 3 hours after the last injection, the cecal content was collected and the effect of the rhamnolipid fed to the chickens under LPS infection on the volatile fatty acids in the cecal content is shown in table 3. When LPS is infected, the content of volatile fatty acid in the cecum content of the experimental group is higher than that of the negative control group (NCO), which shows that the addition of rhamnolipid in the feed can relieve the unbalance of intestinal flora caused by stress, maintain the relative balance of the intestinal flora and reduce the occurrence of intestinal inflammation under the stress state.
Healthy chickens were selected, 48 chickens were randomly divided into 3 groups (16 chickens per group), respectively negative control group (NCO), positive control group (ANT), experimental group (1000 mg/kg rhamnolipid), two treatments per group, treatment 1 for physiological saline injection, treatment 2 for LPS injection, LPS was intraperitoneally injected at 500 micrograms of LPS per kilogram of body weight, and physiological saline treatment chickens were injected with the same amount of physiological saline as LPS. All chickens were given 3 injections each 1 day apart, 3 hours after the last injection, blood was collected and serum was collected by centrifugation. Under normal saline treatment, igA and IgM of the experimental group are obviously higher than those of a negative control group (NCO), and under the two treatments, the immunoglobulin in blood of the experimental group has a trend higher than that of the negative control group (NCO), and the result shows that the addition of 1000mg/kg rhamnolipid in the feed can relieve the immune function reduction caused by stress, and the immunity of an organism is improved to a certain extent.
TABLE 1 Effect of addition of rhamnolipid to broiler production Performance
TABLE 2 Effect of rhamnolipids addition on volatile fatty acids in cecal content
TABLE 3 Effect of rhamnolipids addition on volatile fatty acids in LPS infected broiler cecal content
As shown in the figure, the mixing device comprises a tank body 1, a spraying device and a stirring device, wherein the tank body is a metal box, the spraying device is used for spraying rhamnolipid from top to bottom, the spraying device is used for spraying silicon dioxide from bottom to top, at this time, a hedging effect is formed between the silicon dioxide and rhamnolipid, and specifically, the spraying device comprises a liquid containing piece 21, a liquid outlet pipe 22, a plurality of annular spray head components 23 and a pressurizing component 24 which are arranged at equal intervals, the liquid containing piece 21 is a cylindrical metal bucket, rhamnolipid is contained in the liquid containing piece 21, the liquid outlet pipe 22 is a rubber pipe, a plastic pipe or a metal pipe, one end of the liquid outlet pipe 22 is communicated with the lower part of the liquid containing piece 21, and rhamnolipid can enter the liquid outlet pipe 22.
The nozzle component 23 is configured to divide rhamnolipid in the liquid outlet pipe 22 into droplet-shaped rhamnolipid, specifically, the nozzle component 23 includes a spray pipe 231, a nozzle 232, and a scattering net 233, where the spray pipe 231 is a metal pipe, one end of the spray pipe 231 is connected with the liquid outlet pipe 22 in a sealing manner, and the other end of the spray pipe is connected with the nozzle 232, where the nozzle 232 is flat at a front end, and a rear end of the nozzle 232 is in screwed connection with a front end of the spray pipe 231; the break-up web 233 includes a first web 251 having a first through-hole 252 and a second web 253 having a second through-hole 254, wherein the first web 251 and the second web 253 have a spacing therebetween of 0.5-1.0cm, wherein the first through-hole 252 has a larger pore size than the second through-hole 254.
When the rhamnolipid is under pressure, the rhamnolipid enters the spray pipe 231, is firstly scattered through the first net body 251, is secondarily scattered through the second net body 253, and is finally sprayed out from the front end of the spray nozzle; the rhamnolipid gathered together can be firstly split into small drops through the first net body 251 and the second net body 253 for two times, at the moment, the small drops of rhamnolipid still have larger impact force, the impact force enables the rhamnolipid to continuously move at high speed to strike the second net body 253, the pasty rhamnolipid is further divided into smaller particles, the contact area between the rhamnolipid and silicon dioxide is large, the uniformity of mixing between the rhamnolipid and the silicon dioxide is high, the rhamnolipid is pasty, the silicon dioxide is in particles, when the rhamnolipid is divided into very small particles, the strength of mutual impact between the rhamnolipid and the silicon dioxide is large when the rhamnolipid moves downwards, therefore part of silicon dioxide can impact into the rhamnolipid, and due to the small volume of the rhamnolipid, the silicon dioxide can penetrate the rhamnolipid, and at the same time, part of the rhamnolipid can be separated, the volume of the rhamnolipid can become smaller, and the uniformity between the rhamnolipid and the silicon dioxide is higher.
Further, the pressurizing member 24 includes a pressurizing plug 241, a connecting rod 242 connected to the pressurizing plug 241, a check member 243 disposed at a lower portion of the pressurizing plug 241, a driving cylinder 244 for pushing the pressurizing plug 241 to move downward, and a gas adding pipe 245, wherein the pressurizing plug 241 is a metal plug recessed from bottom to top, the pressurizing plug 241 has an arch-shaped cross section, a sleeve body 246 is sleeved on the pressurizing plug 241, the sleeve body 246 is a rubber sleeve, a sloped scraping ring 247 is connected to a side wall of the sleeve body 246, the scraping ring 247 is bonded to the sleeve body 246, and the scraping ring 247 abuts against an inner wall of the liquid containing member 21; the check member 243 is screwed on the pressurizing plug 241, the check member 243 is an existing vertical check valve in the market, the connecting rod 242 is a metal pipe, the piston shaft of the driving cylinder 244 is connected with the upper part of the connecting rod 242, so that the driving cylinder 244 pushes the connecting rod 242 to move downwards, thereby driving the pressurizing plug 241 to move downwards, and at the moment, the space between the pressurizing plug 241 and the upper end surface of rhamnolipid is reduced; the original air pressure in the hydraulic tube can push the rhamnolipid to move for a certain distance in the hydraulic tube; the gas adding pipe 245 is a pipe connected with a gas pump, the gas adding pipe 245 is communicated with the connecting rod 242, and gas is transmitted to the connecting rod 242, and is sent into the liquid containing member 21 through the check member at this time, so as to pressurize rhamnolipid in the liquid containing member 21.
Specifically, the pressurizing plug 241 moves downwards for a certain distance, so that the gas in the liquid containing member 21 is compressed to the lowest high pressure effect, at this time, the rhamnolipid moves forwards for a certain distance to the front end of the first net body 251, the gas always continuously presses down the rhamnolipid, the rhamnolipid has a forward movement tendency, and after the gas is filled in the connecting rod 242, the gas impacts the non-return member 243, so that the non-return member 243 is opened, the gas enters between the pressurizing plug 241 and the rhamnolipid, and is pressurized instantly, the rhamnolipid is pushed out, so that the rhamnolipid is ejected out to be in contact with silicon dioxide, the rhamnolipid can be separated instantly, and at this time, the rhamnolipid cannot remain on the first net body and the second net body; and through adopting the mode of scraping the ring downward movement, scrape down the rhamnolipid on the flourishing liquid spare inner wall, both ensured flourishing liquid spare's leakproofness, ensured that the rhamnolipid can not remain in flourishing liquid spare's inner wall.
Further, the spraying device comprises a powder spraying pipe 31, a powder feeding pipe 33 and a gas feeding pipe 32, wherein the powder spraying pipe 31 is obliquely arranged from top to bottom, the gas feeding pipe 33 and the gas feeding pipe 32 are connected with the powder spraying pipe 31, and the powder spraying pipe 31 is obliquely arranged in the tank body 1 from top to bottom; the powder spraying pipe 31 is communicated with the powder feeding pipe 33, and the air feeding pipe 32 is communicated with the powder feeding pipe 33; a flow limiting pipe 11 is arranged in the middle of the tank body 1, the flow limiting pipe 11 is a metal pipe with a large diameter, the end part of the powder spraying pipe 31 is just exposed out of the inner wall of the flow limiting pipe 11, and the end part of the spray head is just exposed out of the flow limiting pipe; the distance between the spray head and the end part of the powder spraying pipe is 60 cm; a spiral groove 110 is arranged on the inner wall of the flow limiting pipe, the lower end part of the spiral groove is 5 cm higher than the end part of the powder spraying pipe, and the upper end part of the spiral groove is 10 cm lower than the position of the spray head; meanwhile, the lower part of the tank body 1 is hinged with a cover body 12, and the stirring device at the lower part of the tank body 1 can be observed after the cover body 12 is opened.
Specifically, the ejected rhamnolipid and the ejected silicon dioxide powder can be limited by the current limiting pipe 11, so that the whole volume of the rhamnolipid and the silicon dioxide powder is reduced, the density of the rhamnolipid mist is high, the silicon dioxide powder is gathered together, the density of the silicon dioxide powder is high, and the contact probability of the high-density rhamnolipid powder and the high-density silicon dioxide powder is high; simultaneously, a spiral groove is formed on the inner wall of the current limiting pipe, the sprayed silicon dioxide powder moves upwards in a spiral shape, the moving path is long, the probability of a contact cover between the silicon dioxide powder and the silicon dioxide powder is increased, and the mixing efficiency between rhamnolipid and silicon dioxide is further improved; and because the interval that has ten centimetres between spiral recess upper end and the shower nozzle, when the silicon dioxide powder moved to the recess extreme upper end position, the speed that the silicon dioxide powder moved upwards was reduced in the twinkling of an eye for a large amount of silicon dioxide powder temporarily stays in the below of shower nozzle, therefore when the rhamnolipid of blowout falls, its quick contact with silicon dioxide, thereby rhamnolipid and silicon dioxide mix effectually.
Meanwhile, a tank cover 10 is hinged to the upper portion of the tank body 1, the tank cover 10 is a metal cover, six elastic pieces 100 are connected to the tank cover 10, the elastic pieces 100 are springs, a blocking piece 101 for blocking an opening at the upper end of the flow limiting pipe 11 is connected to the lower end of each elastic piece 100, and the cross section of each blocking piece 101 is of a C-shaped structure. By setting the cross section of the stopper 101 to be C-shaped, after a part of silica contacts with the lower end surface of the stopper 101, it easily slides downward to be gathered together, and further the silica drops downward, and the stopper 101 is firmly abutted against the upper end of the flow limiting pipe 11 under the pressure of the elastic member 100, so that the sealing performance is high.
Further, the stirring device is located at the lower part of the tank body 1, and comprises a cylindrical stirring component and a motor 42 for driving the stirring component to rotate, the stirring component comprises a stirring barrel 411 transversely arranged and a stirring paddle 412 connected with the stirring barrel 411, the stirring barrel 411 is formed by connecting a plurality of metal rods and two circular rings, the stirring paddle 412 is a metal steel wire, and one end of the stirring paddle 412 is welded on the stirring barrel 411; the motor drives the stirring barrel 411 to rotate, so that the stirring paddle 412 can beat the mixture of silicon dioxide and rhamnolipid, and further break up part of rhamnolipid bonded with a plurality of silicon dioxide, so that large-particle rhamnolipid is broken into small particles, at the moment, the surface of the broken rhamnolipid is exposed, and other silicon dioxide can be adhered to rhamnolipid.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (3)
1. The device for preparing the rhamnolipid broiler feed additive is characterized in that:
adsorbing the dark brown viscous paste rhamnolipid by adopting silicon dioxide to form uniformly dispersed powdery solid;
the silicon dioxide and the rhamnolipid are firstly mixed together by mixing equipment;
the mixing equipment comprises a tank body (1), a spraying device for spraying rhamnolipid from top to bottom, a spraying device for spraying silicon dioxide from bottom to top to counter-flow with the rhamnolipid, and a stirring device arranged at the lower part of the tank body, wherein the spraying device is positioned at the upper part of the tank body (1), and the spraying device is positioned at the middle part of the tank body (1);
the spraying device comprises a liquid containing piece (21) connected with the tank body (1), a liquid outlet pipe (22) connected with the liquid containing piece (21), a spray head component (23) connected with the liquid outlet pipe (22) and a pressurizing component (24) in sealing fit with the liquid containing piece (21), wherein the pressurizing component (24) is arranged above the liquid containing piece (21);
the spray head component (23) comprises a spray pipe (231), a spray head (232) and a scattering net (233), wherein the spray pipe (231) is a metal pipe, one end of the spray pipe (231) is in sealing connection with the liquid outlet pipe (22), the other end of the spray pipe is connected with the spray head (232), the spray head (232) is flat in front end, and the rear end of the spray head (232) is in threaded connection with the front end of the spray pipe (231); the breaking-up net (233) comprises a first net body (251) with a first through hole (252) and a second net body (253) with a second through hole (254), a space is arranged between the first net body (251) and the second net body (253), and the aperture of the first through hole (252) is larger than that of the second through hole (254);
the pressurizing component (24) comprises a pressurizing plug (241), a connecting rod (242) connected with the pressurizing plug (241), a check piece (243) arranged at the lower part of the pressurizing plug (241), a driving air cylinder (244) and an air adding pipe (245) for pushing the pressurizing plug (241) to act downwards, the pressurizing plug (241) is a metal plug which is sunken from bottom to top, the section of the pressurizing plug (241) is arched, a sleeve body (246) is sleeved on the pressurizing plug (241), the sleeve body (246) is a rubber sleeve, an inclined scraping ring (247) is arranged on the side wall of the sleeve body (246) in a connecting section, the scraping ring (247) is adhered to the sleeve body (246), and the scraping ring (247) is abutted against the inner wall of the liquid containing piece (21); the check piece (243) is in threaded connection with the pressurizing plug (241), the connecting rod (242) is a metal pipe, and a piston shaft of the driving cylinder (244) is connected with the upper part of the connecting rod (242);
the spraying device comprises a powder spraying pipe (31) which is obliquely arranged from top to bottom, a powder feeding pipe (33) and a gas feeding pipe (32) which are connected with the powder spraying pipe (31), wherein the powder spraying pipe (31) is obliquely arranged in the tank body (1) from top to bottom; the powder spraying pipe (31) is communicated with a powder feeding pipe (33), and the air feeding pipe (32) is communicated with the powder feeding pipe (33); a flow limiting pipe (11) is arranged in the middle of the tank body (1), the flow limiting pipe (11) is a large-diameter metal pipe, the end part of the powder spraying pipe (31) is just exposed out of the inner wall of the flow limiting pipe (11), and the end part of the spray head is just exposed out of the flow limiting pipe; the distance between the spray head and the end part of the powder spraying pipe is 60 cm; a spiral groove (110) is formed in the inner wall of the flow limiting pipe, the lower end part of the spiral groove is 5 cm higher than the end part of the powder spraying pipe, and the upper end part of the spiral groove is 10 cm lower than the position of the spray head; meanwhile, a cover body (12) is hinged at the lower part of the tank body (1), and a stirring device at the lower part of the tank body (1) can be observed after the cover body (12) is opened;
meanwhile, a tank cover (10) is hinged to the upper portion of the tank body (1), the tank cover (10) is a metal cover, six elastic pieces (100) are connected to the tank cover (10), the elastic pieces (100) are springs, a blocking piece (101) for blocking an opening at the upper end of the flow limiting pipe (11) is connected to the lower end of the elastic piece (100), and the cross section of the blocking piece (101) is of a C-shaped structure;
the stirring device is positioned at the lower part of the tank body (1), and comprises a cylindrical stirring part and a motor (42) for driving the stirring part to rotate, wherein the stirring part comprises a stirring barrel (411) which is transversely arranged and a stirring paddle (412) which is connected with the stirring barrel (411), the stirring barrel (411) is formed by connecting a plurality of metal rods and two circular rings, the stirring paddle (412) is made of metal steel wires, and one end of the stirring paddle (412) is welded on the stirring barrel (411); the motor drives the stirring barrel (411) to rotate.
2. The apparatus for preparing rhamnolipid broiler feed additive according to claim 1, wherein: the mass ratio of the rhamnolipid to the feed is 500-1500mg of rhamnolipid per kg of feed.
3. The apparatus for preparing rhamnolipid broiler feed additive according to claim 1, wherein: the feed comprises, by weight, 45-65% of corn, 30-46% of soybean meal, 0.5-1.8% of phosphorus, 0.3-1.5% of stone powder, 0.1-0.5% of salt and 1.0-5.0% of oil.
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| JP2008118983A (en) * | 2006-10-17 | 2008-05-29 | Idemitsu Kosan Co Ltd | Feed additive and feed |
| CN101528050A (en) * | 2006-10-17 | 2009-09-09 | 出光兴产株式会社 | Feed additive and feed |
| CN102696880A (en) * | 2012-04-19 | 2012-10-03 | 浙江大学宁波理工学院 | Biologic emulsifier for livestock feed |
| CN104171417A (en) * | 2014-07-31 | 2014-12-03 | 杨洪星 | Animal feed additive |
| CN205216625U (en) * | 2015-12-25 | 2016-05-11 | 河北东之星生物科技股份有限公司 | Saponification cream and dust carrier mixing arrangement |
| CN206229305U (en) * | 2016-12-01 | 2017-06-09 | 重庆雨帝建材有限公司 | The first mixing arrangement of application raw material |
| CN108636224A (en) * | 2018-06-29 | 2018-10-12 | 德清兴昌利纺织品有限公司 | A kind of applying material supply mixing arrangement |
-
2019
- 2019-12-17 CN CN201911303749.2A patent/CN111000060B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008118983A (en) * | 2006-10-17 | 2008-05-29 | Idemitsu Kosan Co Ltd | Feed additive and feed |
| CN101528050A (en) * | 2006-10-17 | 2009-09-09 | 出光兴产株式会社 | Feed additive and feed |
| CN102696880A (en) * | 2012-04-19 | 2012-10-03 | 浙江大学宁波理工学院 | Biologic emulsifier for livestock feed |
| CN104171417A (en) * | 2014-07-31 | 2014-12-03 | 杨洪星 | Animal feed additive |
| CN205216625U (en) * | 2015-12-25 | 2016-05-11 | 河北东之星生物科技股份有限公司 | Saponification cream and dust carrier mixing arrangement |
| CN206229305U (en) * | 2016-12-01 | 2017-06-09 | 重庆雨帝建材有限公司 | The first mixing arrangement of application raw material |
| CN108636224A (en) * | 2018-06-29 | 2018-10-12 | 德清兴昌利纺织品有限公司 | A kind of applying material supply mixing arrangement |
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